The Salomon Men's X PRO 100 Ski Boots are the all mountain boot all others aspire to be, offering boosted performance and personalized fit thanks to its Twinframe 2 shell design and Custom Shell technology. Designed specifically for intermediate skiers who seek performance, the Twinframe2 design delivers improved rebound and dynamic flex, while oversized pivot provides efficient transmission. A 15% lighter chassis material and lightweight foams make X PRO the one of the lightest heavy duty boots out there, allowing for effortless skiing. Plus, when it comes to fit, its combined Custom Shell 360° shell and My CustomFit 3D liner make for a totally custom fit, inside and out. With the X-Pro, your ski trip just got booted.